U.S. flag

An official website of the Department of Health & Human Services

AHRQ: Agency for Healthcare Research and Quality

Search AHRQ

For an exact phrase match, enclose search terms in double quotes.

Go to Advanced Search
Go to Basic Search

Results

Total Results: 8,650 records

Showing results for "sample".

  1. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)

    hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2009.pdf
    January 01, 2009 - (NIS), the NEDS is built using a 20% stratified sample of institutions. … The NIS is a sample of U.S. hospitals; the NEDS is a sample of U.S. hospital-based EDs. … A larger sample would be cumbersome for data users, given that a 20% sample contains over 29 million … The HCUP Nationwide Inpatient Sample (NIS) uses the same stratified sample design, so techniques appropriate … of hospital- based EDs HCUP Nationwide Emergency Department Sample (NEDS) Nationwide sample drawn

  2. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)

    hcup-us.ahrq.gov/db/nation/neds/NEDS2011Introduction01142014.pdf
    November 01, 2015 - The NIS is a sample of U.S. hospitals; the NEDS is a sample of U.S. hospital-based EDs. … (universe) ÷ Ns(sample) where Ws(universe) was the ED universe weight, and Ns(universe) and Ns(sample … A larger sample would be cumbersome for data users, given that a 20% sample contains 29 million records … The HCUP Nationwide Inpatient Sample (NIS) uses the same stratified sample design, so techniques appropriate … Sample (NEDS) Nationwide sample drawn from the HCUP SID and SEDD, stratified and weighted to be

  3. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)

    hcup-us.ahrq.gov/db/nation/neds/NEDS2010Introductionv3.pdf
    November 01, 2015 - The NIS is a sample of U.S. hospitals; the NEDS is a sample of U.S. hospital-based EDs. … (universe) ÷ Ns(sample) where Ws(universe) was the ED universe weight, and Ns(universe) and Ns(sample … A larger sample would be cumbersome for data users, given that a 20% sample contains over 29 million … The HCUP Nationwide Inpatient Sample (NIS) uses the same stratified sample design, so techniques appropriate … Sample (NEDS) Nationwide sample drawn from the HCUP SID and SEDD, stratified and weighted to be

  4. 2017-01 (pdf file)

    hcup-us.ahrq.gov/reports/methods/2017-01.pdf
    January 01, 2017 - ............................................................................................... 1 Sample … The NRD is a sample of convenience from the SID and not a sample of hospitals or discharges. … Each year of the NRD must be considered as a separate sample. … The standard approach treats stratum sample sizes 𝑛𝑛𝑠𝑠 as random variables. … Calculating National Inpatient Sample (NIS) Variances for Data Years 2012 and Later.

  5. Kid 1997 Comparison (pdf file)

    hcup-us.ahrq.gov/db/nation/kid/reports/KID_1997_Comparison.pdf
    January 01, 1997 - HCUP KID (01/28/02) 4 Comparative Analysis KID Sample Design The KID is a stratified probability sample … Sample Weights Sample weights were developed for the KID to obtain representative national estimates … sample. … All KID and NIS statistics used sample weights and accounted for the sample design using the SUDAAN microcomputer … The pediatric NHDS is less than 4 percent the size of the KID sample, and as a result the number of sample

  6. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)

    hcup-us.ahrq.gov/db/nation/neds/NEDS2014Introduction.pdf
    December 12, 2016 - universe) ÷ Ns(sample) where Ws(universe) was the ED universe weight, and Ns(universe) and Ns(sample … A larger sample would be cumbersome for data users, given that a 20 percent sample contains about 30 … The HCUP Nationwide Inpatient Sample (NIS) prior to 2012 used stratified sample design similar to the … The HCUP Nationwide Inpatient Sample (NIS) prior to 2012 used stratified sample design similar to the … of EDs HCUP Nationwide Emergency Department Sample (NEDS) Nationwide sample drawn from the HCUP

  7. 2017-02 (pdf file)

    hcup-us.ahrq.gov/reports/methods/2017-02.pdf
    January 01, 2017 - The Nationwide Emergency Department Sample (NEDS) The NEDS is built using a 20 percent stratified sample … Draw a sample of ED visits from all EDs in HCUP data The NEDS includes all ED visits from a sample … The redesigned NIS changed from a sample of hospitals to a sample of discharges. … The redesigned NIS changed from a sample of hospitals to a sample of inpatient discharges. … universe and sample, respectively.

  8. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)

    hcup-us.ahrq.gov/db/nation/nis/2006NIS_INTRODUCTION.pdf
    November 01, 2015 - HCUP Nationwide Inpatient Sample (NIS) ABSTRACT The Nationwide Inpatient Sample (NIS) is part of … Moreover, the NIS is composed of all discharges from a sample of hospitals (a cluster sample). … Final Hospital Sample In Appendix I, we present three figures describing the final hospital sample. … number for the total sample. … and Ns(sample) were the number of community hospitals within stratum s in the universe and sample,

  9. Description of Data Elements (pdf file)

    hcup-us.ahrq.gov/db/nation/nis/DataElements_NIS_2002_Hospital.pdf
    January 01, 2002 - Description of Data Elements Description of Data Elements Nationwide Inpatient Sample … Please refer to the Introduction to the Nationwide Inpatient Sample for specific information on which … to post-stratify hospital................................................ 43 S_DISC_S - Number of sample … in NIS_STRATUM .................................... 47 S_HOSP_S - Number of sample hospitals in STRAT_ST … ............................................. 48 S_HOSP_U - Number of sample hospitals in NIS_STRATUM

  10. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)

    hcup-us.ahrq.gov/db/nation/nis/NIS_2008_INTRODUCTION.pdf
    January 01, 2008 - HCUP Nationwide Inpatient Sample (NIS) ABSTRACT The Nationwide Inpatient Sample (NIS) is part of … Moreover, the NIS is composed of all discharges from a sample of hospitals (a cluster sample). … Final Hospital Sample In Appendix I, we present three figures describing the final hospital sample. … number for the total sample. … and Ns(sample) were the number of community hospitals within stratum s in the universe and sample,

  11. Medical Expenditure Panel Survey Site Map

    meps.ahrq.gov/mepsweb/sitemap.jsp
    — Survey questionnaires   — Glossary of terms used in survey questionnaires   — Sample … Design and Data Collection Process   — Sample size   — Response rates   … — MEPS Sample Persons In-Scope for Part of the Year   — Computing Standard Errors for MEPS … questionnaires   — Glossary of terms used in survey questionnaires   — Sample … Design and Data Collection Process   — Sample size   — Response rates   —

  12. Microsoft Word - kid_dde_hospnotes_2000.doc (pdf file)

    hcup-us.ahrq.gov/db/nation/kid/DataElements_KID_Hospital_2000.pdf
    January 01, 2000 - complicated births in KID_STRATUM ............39 S_DISC_U - Number of sample discharges in KID_STRATUM … ..........................40 S_HOSP_U - Number of sample hospitals in KID_STRATUM .................. … in KID_STRATUM 6(n) Number of sample births in KID_STRATUM State Specific Notes None … non- births in KID_STRATUM 6(n) Number of sample pediatric non-births in KID_STRATUM State … in KID_STRATUM 6(n) Number of sample discharges in KID_STRATUM State Specific Notes None

  13. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)

    hcup-us.ahrq.gov/db/nation/nis/NIS_2007_INTRODUCTION.pdf
    January 01, 2007 - HCUP Nationwide Inpatient Sample (NIS) ABSTRACT The Nationwide Inpatient Sample (NIS) is part of … Moreover, the NIS is composed of all discharges from a sample of hospitals (a cluster sample). … Final Hospital Sample In Appendix I, we present three figures describing the final hospital sample. … number for the total sample. … and Ns(sample) were the number of community hospitals within stratum s in the universe and sample,

  14. Table 2: NIS and NHDS Comparisons by Region, 1999 (pdf file)

    hcup-us.ahrq.gov/reports/methods/1999NISComparisonReportFinal.pdf
    March 08, 2002 - of being drawn for the sample in the following year. … Sample or Universe Sample Sample Sampling frame 24 states 50 states and the District of Columbia … A sample of 112 PSUs was selected. … A sample of hospitals was selected within these PSUs. … Sample or Universe Sample Universe Sampling frame 24 states 50 states and the District of Columbia

  15. Methodology Report #1: Design and Methods of the Medical Expenditure Panel Survey Household Component (pdf file)

    meps.ahrq.gov/data_files/publications/mr1/mr1.pdf
    December 31, 1997 - The HC is the core survey, and it forms the basis for the MPC sample and part of the IC sample. … The separate NHC sample supplements the other MEPS components. … Every 5 years the HC sample size is increased. … define the sample base for the 1997 MEPS Household Component. … In 1996, the MEPS sample linked to the 1995 NHIS was selected.

  16. Healthcare Cost and Utilization Project (HCUP) NIS Notes

    hcup-us.ahrq.gov/db/vars/discwtcharge10/nisnote.jsp
    September 01, 2008 - QUERY TOOLS NIS Description of Data Elements   DISCWTcharge10 - 10% sample …   DISCWTcharge10 is a discharge-level weight that is only available in the 2000 10% NIS Sample … national estimates of total charge in 2000, use DISCWTcharge10 to weight total charge (TOTCHG) in the 10% Sample …   Uniform Values Variable Description Value Value Description DISCWTcharge10 10% sample … weight to discharges in the universe for national estimates of total charge in 2000. nnn.nnnn 10% sample

  17. HCUP-US National Statistics Charts

    hcup-us.ahrq.gov/reports/natstats.jsp
    December 01, 2005 - Hospitals, 1996 Hospital Inpatient Statistics, 1995 Statistics From the HCUP-3 Nationwide Inpatient Sample … for 1994: Diagnosis-Related Groups Statistics From the HCUP-3 Nationwide Inpatient Sample for 1994 … Statistics From the HCUP-3 Nationwide Inpatient Sample for 1993: Diagnosis-Related Groups Statistics … From the HCUP-3 Nationwide Inpatient Sample for 1993: Principal-Diagnosis Statistics From the HCUP … -3 Nationwide Inpatient Sample for 1993: Principal-Procedures Descriptive Statistics by Insurance

  18. Psn-Pdf (pdf file)

    psnet.ahrq.gov/node/49436/psn-pdf
    February 26, 2004 - They agreed to redraw her blood sample for re-typing, but also requested that O-negative blood be sent … In a 10-nation study of more than 690,000 blood samples from 62 hospitals, the median rate of sample … The relatively low fatality rate may contribute to a lack of mindfulness in blood sample collection. … useful and necessary, they may not be sufficient.(7) Concern about the reliability of patient and sample … An international study of the performance of sample collection from patients.

  19. Comparison of Variance Estimates Using Random Group and Taylor Series Methods in MEPS-IC (pdf file)

    meps.ahrq.gov/data_stats/Comparison_of_Variance_MEPS-IC.pdf
    July 01, 2013 - the RG method is found to be less reliable for some estimates, particularly those based on smaller sample … by key characteristics, a number is sequentially assigned such that the final sample can be easily … Sample size appears to be a major factor for larger differences in RSEs. … The SE estimate under the RG method is less stable when the sample size is smaller. … If the estimates which are based on a sample of size 50 or less are excluded from the comparison then

  20. Filespecifications Kid 2003 Hospital

    hcup-us.ahrq.gov/db/nation/kid/tools/stats/FileSpecifications_KID_2003_HOSPITAL.TXT
    January 01, 2003 - old or younger KID 2003 HOSPITAL 23 S_BRTH_U 161 166 Num Number of sample … in KID_STRATUM KID 2003 HOSPITAL 24 S_CHLD_U 167 172 Num Number of sample … in KID_STRATUM KID 2003 HOSPITAL 25 S_CMPB_U 173 178 Num Number of sample … in KID_STRATUM KID 2003 HOSPITAL 26 S_DISC_U 179 184 Num Number of sample … in KID_STRATUM KID 2003 HOSPITAL 27 S_HOSP_U 185 188 Num Number of sample
SHARE:
Facebook Twitter Print Facebook Share

Similar Terms:

Search the AHRQ Archive

Information and reports more than 5 years old may be found in the AHRQ Archive site.

Search Archive

Search Within A Specific AHRQ Site

Click to show only results for the selected site.

www.ahrq.gov (2652)

hcup-us.ahrq.gov (1770)

effectivehealthcare.ahrq.gov (1264)

psnet.ahrq.gov (945)

digital.ahrq.gov (772)

www.uspreventiveservicestaskforce.org (611)

meps.ahrq.gov (527)

integrationacademy.ahrq.gov (35)

cdsic.ahrq.gov (24)

cds.ahrq.gov (20)

datatools.ahrq.gov (15)

cahpsdatabase.ahrq.gov (7)

pso.ahrq.gov (6)

qualityindicators.ahrq.gov (2)